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12e19bba68
KCSAN reports pid_alive() reading task->thread_pid while it gets cleared under tasklist_lock. The check only cares about NULL, so READ_ONCE() and WRITE_ONCE() are enough. Reported-by: syzbot+c382ee653fd70f5cf1bb@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=c382ee653fd70f5cf1bb Signed-off-by: Babanpreet Singh <bbnpreetsingh@gmail.com> Link: https://patch.msgid.link/20261002012141.7-1-bbnpreetsingh@gmail.com Acked-by: Oleg Nesterov <oleg@redhat.com> Reviewed-by: Bradley Morgan <brads@mainlining.org> Signed-off-by: Christian Brauner (Amutable) <brauner@kernel.org> |
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